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Getting started with Greenplum – 2 – Initializing and bringing up the cluster

In the last post we’ve configured the operating system for Greenplum and completed the installation. In this post we’ll create the so called “Data Storage Areas” (which is just a mount point or directory) and initialize(…)

Getting started with Greenplum – 1 – Installation

Because PostgreSQL is fully open source there are many forks of it. One of them is called Greenplum which describes itself as “an advanced, fully featured, open source data warehouse, based on PostgreSQL”. Sounds interesting,(…)

Monitor Kubernetes with Zabbix

Zabbix might not be the first monitoring tool that comes in mind when you want to monitor a Kubernetes cluster (Did you say Prometheus? 🙂 ). Nevertheless, as an open-source project, Zabbix have affinities with others open-source projects. In this(…)

SQL Server: Manage large data ranges using partitioning

Introduction:  When it comes to moving ranges of data with many rows across different tables in SQL-Server, the partitioning functionality of SQL-Server can provide a good solution for manageability and performance optimizing. In this blog we will look at the(…)

Kubernetes Networking by Using Cilium – Intermediate Level – Traditional Linux Routing

Discover a DevOps technology that is about Kubernetes Networking by using Cilium.

Physical Online Migration to ExaCC with Oracle Zero Downtime Migration (ZDM)

A while ago I had been testing and blogging about ZDM, see my previous articles. And I finally had the chance to implement it at one of our customer to migrate on-premise databases to Exadata Cloud @Customer. After having been(…)

PostgreSQL 17: transaction_timeout

PostgreSQL already comes with various time out parameters when it comes to sessions and statements. There is idle_in_transaction_session_timeout, idle_session_timeout, and there is statement_timeout. All of them are disabled(…)

Logical Offline Migration to ExaCC with Oracle Zero Downtime Migration (ZDM)

A while ago I had been testing and blogging about ZDM, see my previous articles. And I finally had the chance to implement it at one of our customer to migrate on-premises database to Exadata Cloud @Customer. In this article(…)

Keep your data sorted with AI

As mentioned in my previous posts about Enterprise Content Management (like this one). A key point to have your Content efficiently stored is the use of Metadata. It helps to sort and retrieve easily your company data. But to(…)

Kubernetes Networking by Using Cilium – Intermediate Level – Network Interfaces

If you are new or uneasy with networking in Kubernetes, you may benefit from my previous blog for beginner level. In this blog post I will show you in a Kubernetes cluster what a building and(…)